Home / 34,539.96-51,804.42-12,349.20

Finding the Fourth Proportional to 34,539.96, 51,804.42 and 12,349.20

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Solution

The fourth proportional to 34,539.96, 51,804.42 and 12,349.20 is: 18,521.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,539.96 : 51,804.42 = 12,349.20 : x
  2. Step 2: Convert to fraction form
    34,539.96/51,804.42 = 12,349.20/x
  3. Step 3: Cross multiply
    34,539.96x = 51,804.42 × 12,349.20
  4. Step 4: Simplify right side
    34,539.96x = 639,743,143.46
  5. Step 5: Solve for x
    x = 639,743,143.46/34,539.96
  6. Step 6: Final answer
    x = 18,521.83

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.